disk_lookup
struct device *dv = disk_lookup(&sd_cd, DISKUNIT(dev));
struct device *dv = disk_lookup(&sd_cd, DISKUNIT(dev));
#define amdcflookup(unit) (struct amdcf_softc *)disk_lookup(&amdcf_cd, (unit))
#define octcflookup(unit) (struct octcf_softc *)disk_lookup(&octcf_cd, (unit))
real_wd = (struct wd_softc *)disk_lookup(&wd_cd, DISKUNIT(dev));
#define wdlookup(unit) (struct wd_softc *)disk_lookup(&wd_cd, (unit))
disk = disk_lookup(&sd_cd, DISKUNIT(dev));
disk = disk_lookup(&sd_cd, DISKUNIT(dev));
disk = disk_lookup(&sd_cd, DISKUNIT(dev));
#define rdlookup(unit) ((struct rd_softc *)disk_lookup(&rd_cd, (unit)))
disk = disk_lookup(&sd_cd, DISKUNIT(dev));
dv = disk_lookup(&sd_cd, DISKUNIT(dev));
#define cdlookup(unit) (struct cd_softc *)disk_lookup(&cd_cd, (unit))
#define sdlookup(unit) (struct sd_softc *)disk_lookup(&sd_cd, (unit))
struct device *disk_lookup(struct cfdriver *, int);